sound/soc/codecs/sigmadsp.h

   1 /*
   2  * Load firmware files from Analog Devices SigmaStudio
   3  *
   4  * Copyright 2009-2011 Analog Devices Inc.
   5  *
   6  * Licensed under the GPL-2 or later.
   7  */
   8
   9 #ifndef __SIGMA_FIRMWARE_H__
  10 #define __SIGMA_FIRMWARE_H__
  11
  12 #include <linux/device.h>
  13 #include <linux/regmap.h>
  14
  15 struct sigma_action {
  16         u8 instr;
  17         u8 len_hi;
  18         __le16 len;
  19         __be16 addr;
  20         unsigned char payload[];
  21 } __packed;
  22
  23 struct sigma_firmware {
  24         const struct firmware *fw;
  25         size_t pos;
  26
  27         void *control_data;
  28         int (*write)(void *control_data, const struct sigma_action *sa,
  29                         size_t len);
  30 };
  31
  32 int _process_sigma_firmware(struct device *dev,
  33         struct sigma_firmware *ssfw, const char *name);
  34
  35 struct i2c_client;
  36
  37 extern int process_sigma_firmware(struct i2c_client *client, const char *name);
  38 extern int process_sigma_firmware_regmap(struct device *dev,
  39                 struct regmap *regmap, const char *name);
  40
  41 #endif